Re: io_uring engine -- sqthread_poll option can't work as implemented

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On 8/29/19 10:38 AM, Jeff Moyer wrote:
> Hi,
> 
> sqthread_poll requires registered files in order to work.  That's not
> implemented in fio, and I don't see how one would go about it (but I'm
> not all that familiar with fio's architecture).  We basically need all
> files to be opened before we can register them.  It looks to me as
> though the files are opened on demand, after the io engine is
> initialized.
> 
> Any suggestions?

Leftover from previously, when that requirement wasn't there... Using
it from fio would require a little bit of footwork, but it's not
impossible.

-- 
Jens Axboe




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